H. From Zaptel to DAHDI
Digium has used the name Zaptel for its pubic switched telephone network (PSTN) drivers for some time. In 2006, the trademark owner notified Digium that the name was, in fact, trademarked. In response, Digium has renamed the driver package to DAHDI as of 2008. Kevin Fleming, Digium’s director of software development, explained this in the following blog posted in May 2008.
Anybody using DAHDI, be it in Asterisk 1.6 or Asterisk 1.4.22 and above, should note that any references to
Dial(Zap/...) in ...